laboite/apps/time/admin.py
from django.contrib import admin
from .models import AppTime
class AppTimeAdmin(admin.ModelAdmin):
readonly_fields = ('time', 'date', 'created_date', 'last_activity')
list_display = ('boite', 'enabled', 'tz', 'get_app_dictionary', 'created_date', 'last_activity')
admin.site.register(AppTime, AppTimeAdmin)